Electric lamp



J. TORRENT Jan. 5 1926.

ELECTRIC LAMP Filed Jan. 1'7I 1925' duo: nu*

Patented Jan. 5, 1926.-

,UN/l'rao sTA'rEsxPATENT oFFl'cE.

ELECTRIC mm1.

l'Application ma January 17, 1925. serial no, 3,118.

To all whom 'it may concern: inga part ofthe lamp. Secured to the sec- Be it known that I, JOHN TORRENT, a' tion 7 is a'cntact member 41O.to which the f citizen of lthe United States, residing at wire 11 of the filament is connected,the up- Muskegon, in 'the county of Muskegon and per portion of the wire 11 being connected t 5 'State 01E Michigan, have invented a new and with the central wire 12 of' the lament, usefulA 'Electric Lamp, of which the follow# which in turn extends through the base 6 as in` is a specification. at 13, in order that it may make connection 'his invention relates to electric lamps with the usual lamp socket.

and aims .to provide a 'lamp having a fila- 'The reference character 14 indicates a supment y of a novel construction whereby the porting block which is secured tothe memlife of the 1am may be greatly increased. ber 7 by means of the screw 15 which screw A further o ject of the invention is to' -alsosecures the contact plate 16 to the supprovide a lamp having a double filament, the porting block 14 and as shown, this plate 16 construction of the iila-inentbeing such `that extends beyond one wall of the supporting when one of the wires of the filament-bevblock 14 to be engagedby the entral contact --comes broken or burned out, the adjacent screw 9 when the section 8 ha? been removed wire of the filament may be brought into as clearly shown by Figure 3 of the drawing. Y operation andthe lamp again used.' l The reference character 17 'indicates a With the foregoing and other objects in wire of the filamnt'which is in circuit at its view which will `appear as -the description upper end with the wire'12,the lower end of roceeds,. the invention resides inthe comthe wire 17 being connected with the contact Y Eination -andarrangement of parts and in" plate 16 at 18. j the details of construction hereinafter de- From 'the foregoing it`will be obvious that scribed and claimed, itbeing understood should the wire 11 of the filament be renthat changes in the recise embo iment of dered ino erative, the section 8 of the base l "the inventlo herein isclosed, may be made maybe removed and the contact screw 9 within the scope of whatis claimed', without passed through the section 7 as 'shown by de arting from the spirit of the invention. Figure t 3 of the drawing@l whereupon the eferring tothe drawing: @screw will contact with the plate 16 com- Figure 1 is an elevational view of an elecpleting the circuit through, the wire 17 and tric `lamp constructed in acordancewith the central wire 12 of thelament. invention I claim: Figure 2 is a lfragmental sectional vew Inan electric 1am ,/a' base, a filament in-. illustrating one of the wires of the filament cluding a central wire and lateral wires in contact screw of the'lamp. A ends, a contact'screw extending throu Jl1 the Figure 3 is a. fragmental sectional view base, Contact members in circuit wit the illustrating the central contact screw as in lateral wires, said contact screwl adapted to circuit with' the opposite wire of the lilaengage cthe contact members to complete cirment of the lamp. l cuits throughthe wires, and a removable Referrin to the drawing in detail the section formino'l a part of the base'for spacreferencefc aracter 5 indicates the buib of ing the screw from one of the contact meinthe lamp which is'itted inthe threaded baseI bers.

in the .usualr and well known manner. In testimony that I claim the foregoing as The'base 6 includes the' insulating sec-I my own, I have hereto aiixed my signature..`

- tions 7 and 8, the section 8 being secured by means of the central contactv screw 9 form-` JOHN TORRENT.--

lof vthe lamp as in circuit with the ,central circuit with the-central wire atL one ofits 

